(function (Prism) {
  var keywords =
    /\b(?:abstract|assert|boolean|break|byte|case|catch|char|class|const|continue|default|do|double|else|enum|exports|extends|final|finally|float|for|goto|if|implements|import|instanceof|int|interface|long|module|native|new|non-sealed|null|open|opens|package|permits|private|protected|provides|public|record(?!\s*[(){}[\]<>=%~.:,;?+\-*/&|^])|requires|return|sealed|short|static|strictfp|super|switch|synchronized|this|throw|throws|to|transient|transitive|try|uses|var|void|volatile|while|with|yield)\b/;

  // full package (optional) + parent classes (optional)
  var classNamePrefix = /(?:[a-z]\w*\s*\.\s*)*(?:[A-Z]\w*\s*\.\s*)*/.source;

  // based on the java naming conventions
  var className = {
    pattern: RegExp(
      /(^|[^\w.])/.source +
        classNamePrefix +
        /[A-Z](?:[\d_A-Z]*[a-z]\w*)?\b/.source
    ),
    lookbehind: true,
    inside: {
      namespace: {
        pattern: /^[a-z]\w*(?:\s*\.\s*[a-z]\w*)*(?:\s*\.)?/,
        inside: {
          punctuation: /\./,
        },
      },
      punctuation: /\./,
    },
  };

  Prism.languages.java = Prism.languages.extend("clike", {
    string: {
      pattern: /(^|[^\\])"(?:\\.|[^"\\\r\n])*"/,
      lookbehind: true,
      greedy: true,
    },
    "class-name": [
      className,
      {
        // variables, parameters, and constructor references
        // this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
        pattern: RegExp(
          /(^|[^\w.])/.source +
            classNamePrefix +
            /[A-Z]\w*(?=\s+\w+\s*[;,=()]|\s*(?:\[[\s,]*\]\s*)?::\s*new\b)/
              .source
        ),
        lookbehind: true,
        inside: className.inside,
      },
      {
        // class names based on keyword
        // this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
        pattern: RegExp(
          /(\b(?:class|enum|extends|implements|instanceof|interface|new|record|throws)\s+)/
            .source +
            classNamePrefix +
            /[A-Z]\w*\b/.source
        ),
        lookbehind: true,
        inside: className.inside,
      },
    ],
    keyword: keywords,
    function: [
      Prism.languages.clike.function,
      {
        pattern: /(::\s*)[a-z_]\w*/,
        lookbehind: true,
      },
    ],
    number:
      /\b0b[01][01_]*L?\b|\b0x(?:\.[\da-f_p+-]+|[\da-f_]+(?:\.[\da-f_p+-]+)?)\b|(?:\b\d[\d_]*(?:\.[\d_]*)?|\B\.\d[\d_]*)(?:e[+-]?\d[\d_]*)?[dfl]?/i,
    operator: {
      pattern:
        /(^|[^.])(?:<<=?|>>>?=?|->|--|\+\+|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?)/m,
      lookbehind: true,
    },
  });

  Prism.languages.insertBefore("java", "string", {
    "triple-quoted-string": {
      // http://openjdk.java.net/jeps/355#Description
      pattern: /"""[ \t]*[\r\n](?:(?:"|"")?(?:\\.|[^"\\]))*"""/,
      greedy: true,
      alias: "string",
    },
    char: {
      pattern: /'(?:\\.|[^'\\\r\n]){1,6}'/,
      greedy: true,
    },
  });

  Prism.languages.insertBefore("java", "class-name", {
    annotation: {
      pattern: /(^|[^.])@\w+(?:\s*\.\s*\w+)*/,
      lookbehind: true,
      alias: "punctuation",
    },
    generics: {
      pattern:
        /<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&))*>)*>)*>)*>/,
      inside: {
        "class-name": className,
        keyword: keywords,
        punctuation: /[<>(),.:]/,
        operator: /[?&|]/,
      },
    },
    import: [
      {
        pattern: RegExp(
          /(\bimport\s+)/.source +
            classNamePrefix +
            /(?:[A-Z]\w*|\*)(?=\s*;)/.source
        ),
        lookbehind: true,
        inside: {
          namespace: className.inside.namespace,
          punctuation: /\./,
          operator: /\*/,
          "class-name": /\w+/,
        },
      },
      {
        pattern: RegExp(
          /(\bimport\s+static\s+)/.source +
            classNamePrefix +
            /(?:\w+|\*)(?=\s*;)/.source
        ),
        lookbehind: true,
        alias: "static",
        inside: {
          namespace: className.inside.namespace,
          static: /\b\w+$/,
          punctuation: /\./,
          operator: /\*/,
          "class-name": /\w+/,
        },
      },
    ],
    namespace: {
      pattern: RegExp(
        /(\b(?:exports|import(?:\s+static)?|module|open|opens|package|provides|requires|to|transitive|uses|with)\s+)(?!<keyword>)[a-z]\w*(?:\.[a-z]\w*)*\.?/.source.replace(
          /<keyword>/g,
          function () {
            return keywords.source;
          }
        )
      ),
      lookbehind: true,
      inside: {
        punctuation: /\./,
      },
    },
  });
})(Prism);
